QUESTIONS 1 of 2 1 2 Previous Next Sorry, this question is for PEAK Premium Subscribers only Upgrade to PEAK (OBQ13.18) Which of the following statements is correct regarding Vitamin D? QID: 4653 Type & Select Correct Answer 1 1,25-dihydrocholecalciferol is the best laboratory study to determine a Vitamin D deficiency 27% (1145/4177) 2 25-hydroxycholecalciferol is the active form of Vitamin D 6% (268/4177) 3 24,25-dihydroxycholecalciferol is an inactive form of Vitamin D 53% (2217/4177) 4 1,25-dihydrocholecalciferol is converted to 25-hydroxycholecalciferol in the kidney 8% (320/4177) 5 The half-life of 1,25-dihydrocholecalciferol is longer than 25-hydroxycholecalciferol 5% (198/4177) L 4 Question Complexity B Question Importance Select Answer to see Preferred Response SUBMIT RESPONSE 3 Review Tested Concept Review Full Topic